What the heck?
See this hanging off the end of this M4/AR style platform? PEQ-15? Betamax? Burrito maker? Universal remote? Nope, its a Regulated Emission Collimated Ocular Interruption Laser of course.
Still clueless? Its a non-lethal laser that delivers a bright beam of light that produces a dazzling or glare effect on a closing target to warn and/or suppress potential threats through increasing levels of visual degradation. In short, if you have what may be a bad guy coming up on you and you want to warn them off without sending some 5.56 their way, you can use this to dazzle em.
If they aren’t impressed, well then you can always riddle them with bullets later.
Now you know